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The voltage doesn't drop under 12V. That means the PSU isn't underpowered, right?
I know it isn't top notch in terms of noise/ripple, but I'm sure it isn't that big of a problem.
:confused: No it isn't? I don't know what you mean here. 12.1 volt is clearly less than 12.6 volt, and therefore...
Since I probably won't have much time tomorrow, I just tested it now in my server (Asrock 970 Extreme3, Corsair Builder CX430) and it behaves the same as in my gaming system (Asus P8P67-M Pro, Cooler-Master GX550), so I think I've ruled out the motherboard as source of the problem.
So two...
Yes, there's no reason for it indeed. Every video card (given it is PCIe) should work with every motherboard, as far as I know. There's not even a QVL for video cards because they all should work.
I guess this is a rare exception...
So some people say it can't be a PSU issue, others say it can. The only way to find out is to test, I think.
I don't live in the US so no Best Buy for me. The idea still works though, but I will probably lose some shipping costs.
I think tomorrow I'll open my server and put the video card in...
So you suggest I get another motherboard? I'm not sure if it's worth a try. It will cost me a lot to buy another motherboard (and even more if it points out to be something else), but I just don't know a friend close by with a system large enough and a PSU powerful enough to test it in.
That's interesting. And you still don't have a clue about what could have caused the problem?
When Googleing on "P8P67 HD7970 DCII" I don't find anything useful.
No problem :)
I tried booting with 1 RAM stick, but without success.
But does anyone have an opinion on my PSU? Do you agree with Araxie on it not being the fault? Because the PSU is my only starting point. I couldn't think of another thing that could cause the problem, apart from the video...
No, a lot of motherboards beep 1x (short, higher pitched) on every boot, right before POST. That's perfectly normal. The problem is my system normally does that, but not now and it isn't POSTing now either.
The HD7970 requires 2x PCIe 8-pin, so I would need two of those adapters. Or isn't that...
BTW I tested with both my HD7970 and my HD4650 seated:
With the PCIe power plugs connected, the same thing happens as without the HD4650 (system turns on but doesn't POST, no beeps)
Without the PCIe power plugs, the system POSTs and I get signal on my monitor connected to the HD4650...
Thanks for the advice!
Should I not be getting the error beeps in that case? Because I do get them when I don't connect the plugs at all.
I did try what you're describing but I only have one of those 2x6pin PCIe to 1x8Pin PCIe cables.
No, not in the neighbourhood. Yes, the PSU works, but is it sufficient to power my HD7970? Could that be, or isn't that possible because the voltages would have been fluctuating if that was the case?
Rephrased: What are the symptoms of an underpowered PSU?
Thank you both for your replies.
Why? I don't use a DVI to VGA plug.
For clarity, the problem is not that I just don't have signal. Something keeps my system from POSTing since I don't hear the usual single beep.